Reservoir chemical sensors

Details Reservoir chemical sensors Reservoir chemical sensors

1990-06-27

1992-05-26

Johnston, Jill

Chemistry: molecular biology and microbiology

Apparatus

Including measuring or testing

385 12, 422 8205, 435 17, 435 26, 436 68, 436 73, 436 79, 436 80, 436 81, 436 83, 436 84, 436106, 436109, 436119, 436124, 436135, 436140, 436163, 436536, 436811, C12M 140, G01N 2117, G01N 312

Patent

active

051167590

ABSTRACT:
Single or multi-cell reservoir sensors with single illumination sources and one or more detectors per cell unit have an arrangement whereby a gaseous, vapor or liquid sample enters the cell body and interacts with a sensing solution to detect and quantify a given species. Entrance of the sample into the sensor is through an opening in the cell body which may be covered with a membrane to contain the sensing reagent and to presort the species entering the cell. Reservoir cells can be used with organic, inorganic or biochemical sensing materials. A variety of sensors as alcohol, drugs of abuse, organic halides, cyanide and inorganic ions are provided.

REFERENCES:
patent: 4003707 (1977-01-01), Lubbers et al.
patent: 4810658 (1989-03-01), Shanks et al.
patent: 4865995 (1989-09-01), Dairaku
patent: 4954318 (1990-09-01), Yafuso et al.

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